data/Packages/com.unity.render-pipelines.universal/Tests/Runtime/LightTests.cs

using NUnit.Framework;

namespace UnityEngine.Rendering.Universal.Tests
{
    [TestFixture]
    class LightTests
    {
        [Test]
        public void TestMainLightRenderingLayerMaskSyncWithUniversalLightAndShadowLayers()
        {
            var lightObject = new GameObject("Light");
            var light = lightObject.AddComponent<Light>();
            var lightData = light.GetUniversalAdditionalLightData();

            lightData.renderingLayers = (1 << 1);
            lightData.shadowRenderingLayers = (1 << 2);

            lightData.customShadowLayers = false;
            Assert.AreEqual(light.renderingLayerMask, lightData.renderingLayers);

            lightData.customShadowLayers = true;
            Assert.AreEqual(light.renderingLayerMask, lightData.shadowRenderingLayers);

            lightData.customShadowLayers = false;
            lightData.renderingLayers = (1 << 3);
            lightData.shadowRenderingLayers = (1 << 4);
            Assert.AreEqual(light.renderingLayerMask, lightData.renderingLayers);

            lightData.customShadowLayers = true;
            lightData.renderingLayers = (1 << 5);
            lightData.shadowRenderingLayers = (1 << 6);
            Assert.AreEqual(light.renderingLayerMask, lightData.shadowRenderingLayers);

            Object.DestroyImmediate(lightObject);
        }
    }
}